Fix pip install test

Author: gerrod3

pulp_python/tests/functional/api/test_consume_content.py

@@ -122,6 +122,7 @@ def install(cli_client, package, host=PYPI_URL):
                 "pip",
                 "install",
                 "--no-deps",
+                "--no-build-isolation",
                 "--trusted-host",
                 urlsplit(host).hostname,
                 "--trusted-host",